Answer available
Class 11 · Mathematics · Statistics
Find the standard deviation of the first five natural numbers.
3 marksMediumNumerical
Class 11 · ICSE · Mathematics
Statistics
Measures of dispersion: range, mean deviation, variance and standard deviation, and the coefficient of variation.
- Questions
- 5
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
5 questions in this chapter.
- Answer available
Class 11 · Mathematics · Statistics
The mean of a set of observations is 20 and the standard deviation 5. Find the coefficient of variation.
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Statistics
What is the effect on the mean and the standard deviation of adding a constant to every observation, and of multiplying every observation by a constant?
3 marksMediumShort answer
- Answer available
Class 11 · Mathematics · Statistics
Find the variance and the standard deviation of 2, 4, 6, 8 and 10.
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Statistics
Why is the standard deviation preferred to the mean deviation as a measure of dispersion?
3 marksMediumShort answer